Electrocardiograph



FIG. 1 is a front view of an electrocardiograph showing my new design;

FIG. 2 is a back view of the electrocardiograph shown in FIG. 1;

FIG. 3 is a left side view of the electrocardiograph shown in FIG. 1;

FIG. 4 is a right side view of the electrocardiograph shown in FIG. 1;

FIG. 5 is a top view of the electrocardiograph shown in FIG. 1;

FIG. 6 is a bottom view of the electrocardiograph shown in FIG. 1; and,

FIG. 7 is a top perspective view of the electrocardiograph shown in FIG. 1.

The broken lines in the figures depict portions of the electrocardiograph that form no part of the claimed design. 

CLAIM The ornamental design for an electrocardiograph, as shown and described. 